Miscellaneous

Question 1

Nitrate

Answer 1

NO_3¯

Question 2

Nitrite

Answer 2

NO2¯

Question 3

Ammonia

Answer 3

NH_3

Question 4

Ammonium

Answer 4

NH₄⁺

Question 5

Hydroxide

Answer 5

OH¯

Question 6

Carbonate

Answer 6

CO_3²⁻

Question 7

Chromate

Answer 7

CrO₄²⁻

Question 8

Phosphate

Answer 8

PO₄³⁻

Question 9

Methane

Answer 9

CH₄

Question 10

Ethane

Answer 10

C₂H₆

Question 11

Ethene

Answer 11

C₂H₄

Question 12

Propane

Answer 12

C3H8

Question 13

Butane

Answer 13

C₄H₁₀

Question 14

Electron Pairs: 2 bond pairs

Answer 14

Linear

Question 15

Electron Pairs: 3 bond pairs

Answer 15

Trigonal Planar

Question 16

Electron Pairs: 4 bond pairs

Answer 16

Tetrahedral

Question 17

Electron Pairs: 3 bond pairs and 1 lone pair

Answer 17

Trigonal pyramid

Question 18

Electron Pairs: 5 bond pairs

Answer 18

Trigonal bipyramid

Question 19

Compare the Bohr Model and Schrödinger Model of the atom

Answer 19

The Bohr Model is a 1D model of the atom that has the electrons orbiting the nucleus in fixed energy levels

Schrödinger Model of the Atom is 3D Model that treats the electron as a wave

Question 20

Ethanol

Answer 20

C2H5 OH

Question 21

Define standard solution

Answer 21

Standard Solution is a solution of accurately known concentration

Question 22

Define primary standard

Answer 22

Features of Primary Standards:
- High purity
- Unreactive to the air and moisture
- High molar mass

Question 23

Identify what has a value of a standard enthalpy of formation of zero

Answer 23

Elements have a standard enthalpy of zero

Question 24

Octane

Answer 24

C8H18